Mingyue of the Song Dynasty http://www./0_1/   The latest work of Xiangnan Xiaoxiaosheng! After Luo Qing sorted out her emotions, she began to prepare for the Daming Firearm Bureau.

She first went to the Ministry of Works to obtain the official documents approved for the establishment of the Da Ping Firearms Bureau, and then began to find a suitable address.

Luo Qing inspected the capital for several days and finally selected a glass workshop near Liuli Street, Nanshi.

Luo Qing found the owner of the workshop and discussed the purchase of the workshop.

The negotiations went smoothly, and Luo Qing finally won the glass workshop for 10,000 taels of silver.

It covers an area of ​​about four acres, not too large or too small.

There were several blast furnaces used to incinerate glazed raw materials in the site. After Luo Qing took the workshop, she hired someone to remove them all.

Because Luo Qing wanted to refine steel, the blast furnace needed to refine steel and the blast furnace needed to refine glass are completely different and cannot be used directly. So it is better to dismantle them all.

After dismantling several glazed blast furnaces, Luo Qing was not busy building the steel blast furnace, but first investigated the steel situation on the market.

After the investigation, Luo Qing found that the iron ingots sold on the market were not purified and did not meet the steel standards mentioned in the drawings.

To make carbon steel with high purity, it is necessary to purify the iron ingots on the market, and a special blast furnace is required.

The secret of this blast furnace is in the hands of a few families, and the imperial court does not have such technology.

Feeling helpless, Luo Qing had to report the situation to Tang Mo.

When Tang Mo learned that Luo Qing was worried about steelmaking, he also attached great importance to it.

She began to recall the knowledge about steelmaking in her previous life. It was the knowledge she had read in college by chance. Tang Mo originally thought she had forgotten it, but after drinking fairy water, her memory was greatly enhanced, and she actually clearly recalled the entire content of the book she had read at that time.

The book mainly talks about technological changes in history, and briefly mentions technology at different levels in each era.

Among them, there is a knowledge about blast furnace steelmaking.

Tang Mo began to write down the information on the steelmaking blast furnace that he had seen at that time according to his memories.

After writing, Tang Mo handed over the information to Luo Qing and told her that this was an inclusion in the palace treasure house and that she would never spread it.

Luo Qing was very happy and her admiration for Tang Mo reached a new level.

He agreed and left the palace.

With the information on steelmaking blast furnaces, Luo Qing began to summon craftsmen.

The Thousand Imperial Guards have been sent to Luo Qing and can be used at any time.

Luo Qing arranged for two hundred imperial guards to control the workshop, rotate the duty, and then began to recruit craftsmen.

This time, the recruitment was mainly blacksmiths and masons. The blacksmiths were responsible for creating special parts, while the masons were responsible for making molds, and the masons were also responsible for casting blast furnaces.

In order to attract more skilled craftsmen, Luo Qing offered a craftsman employment price that exceeded twice the market price, but the requirement was that once she entered the workshop, she would have to cut off all contact with the outside world.

Next, Luo Qing began to draw the drawings and divide the four weapons in the drawings into different parts. In this process, she always encountered many difficulties. Fortunately, her current identity is a female official in the palace and can enter the palace at any time. So whenever she encounters difficulties, she will enter the palace to ask Her Majesty the Queen for advice.

In Luo Qing's heart, the queen is not only the master of the Ming Dynasty, but also her closest good friend.

With Tang Mo's help, Luo Qing spent more than ten days to finally split the various parts on the four weapons and draw them on different drawings.

At this time, the recruitment of craftsmen also came to an end, and a total of more than 100 craftsmen were recruited, and they were about to enter the workshop.

Luo Qing prepaid 30 taels of silver for each person, and then gave each person a day to prepare family trivial matters, and then they all entered the workshop.

The workshop's gate was closed, and the remaining side door was guarded by a team of imperial guards.

In the workshop compound, Luo Qing began to assign the first task of the craftsmen.

Build steel blast furnaces.

Luo Qing had drawings. She duplicated the drawings, selected four experienced craftsmen, appointed them as team leaders, and then asked them to lead four groups of craftsmen to be responsible for the construction of four blast furnaces.

Luo Qing personally supervised the construction quality of the four blast furnaces. Once she found something unsatisfied, she immediately ordered rework.

The craftsmen's salaries are calculated based on monthly basis, so they can rework and rebuild without complaints.

With continuous rework and reconstruction, the four blast furnaces are progressing slowly. Since the error of smoothing the blast furnace inside cannot exceed one point, the craftsmen will get an error of more than one point if they are not focused.

The entire blast furnace is scrapped and must be recast.

The blast furnace is a step-like structure that is constantly downward. After melting, the iron ingots flow downward. During the process, the impurities are incinerated at high temperatures, and finally flow out from the discharge port, and then added to the blast furnace again. This is repeated many times before the steel is finally obtained.

These structures must have very small errors, otherwise the iron will be heated unevenly, and the impurities will not be incinerated and the molten steel that meets the requirements will not be produced.

Under Luo Qing's strict supervision, it took two months to finally complete the four mud blast furnaces.

However, this is only the first step.

After the blast furnace was completed, the craftsmen began to fire.

The blast furnace needs to be completely cured before it can be used in the end.

In this process, there are many uncertain factors, which are very likely to cause imperfect firing and thus scrapping the entire blast furnace.

Luo Qing was lucky. After seven days, the firing was over. Among the four blast furnaces, there were two blast furnaces that could be used.

The other two blast furnaces were directly scrapped due to firing errors.

The two blast furnaces were enough for experiments. Luo Qing no longer asked craftsmen to cast blast furnaces, but began to make them make steel.

The iron ingots bought from the market need to be heated and melted first, then put into a blast furnace to remove impurities.

After seven full refining times, the first pot of molten steel can be refined.

Luo Qing was preparing to make a pistol first, which was the smallest, so it was the easiest to make.

After the steel water cooled down, Luo Qing began to ask the craftsmen to make clay molds.

A clay mold is the basis for casting a pistol. Without a mold, everything is like a flower in the mirror and a moon in the water.

It was also very difficult to cast the mold. It took a full month to make the first pistol mold.

There are a total of forty-three parts and the molds have reached as many as forty-three.

Among them, the barrel casting method was first created by Luo Qing. As long as the mold she made was used, the barrel could be cast directly.

Pistol components include bolt assembly, transmitter assembly, magazine assembly, grip assembly, barrel, barrel sleeve, re-entry spring, re-entry spring guide rod and coupling seat, etc. Each of these parts corresponds to a special mold.

At Luo Qing's order, a blacksmith poured the molten steel into the diversion trough, and the molten steel began to flow into the mold along the diversion trough.
Chapter completed!